package com.atguigu.gulimall.order.web;

import com.atguigu.gulimall.order.constant.OrderConstant;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderRespVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

@Controller
public class OrderWebController {

    @Autowired
    private OrderService orderService;

    /**
     * 创建订单
     *
     * @param model
     * @return
     */
    @GetMapping("/toTrade")
    public String toTrade(Model model) {
        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData", confirmVo);
        return "confirm";
    }

    /**
     * 订单提交
     *
     * @param vo
     * @return
     */
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes) {
        SubmitOrderRespVo respVo = orderService.submitOrder(vo);
        if (respVo.getCode() == OrderConstant.ORDER_SUBMIT_SUCCESS) {
            model.addAttribute("submitOrderResp", respVo);
            return "pay";
        } else {
            String msg = "下单失败：";
            switch (respVo.getCode()) {
                case 1: msg += "订单信息过期，请刷新后重新提交"; break;
                case 2: msg += "订单商品价格发生变化，请确认后重新提交"; break;
                case 3: msg += "库存锁定失败，商品库存不足"; break;
            }
            redirectAttributes.addFlashAttribute("msg", msg);
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }
}
